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H A D | idau.h | 181962fd Fri Mar 02 10:45:36 GMT 2018 Peter Maydell <peter.maydell@linaro.org> target/arm: Define an IDAU interface
In v8M, the Implementation Defined Attribution Unit (IDAU) is a small piece of hardware typically implemented in the SoC which provides board or SoC specific security attribution information for each address that the CPU performs MPU/SAU checks on. For QEMU, we model this with a QOM interface which is implemented by the board or SoC object and connected to the CPU using a link property.
This commit defines the new interface class, adds the link property to the CPU object, and makes the SAU checking code call the IDAU interface if one is present.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20180220180325.29818-5-peter.maydell@linaro.org
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H A D | cpu.c | 181962fd Fri Mar 02 10:45:36 GMT 2018 Peter Maydell <peter.maydell@linaro.org> target/arm: Define an IDAU interface
In v8M, the Implementation Defined Attribution Unit (IDAU) is a small piece of hardware typically implemented in the SoC which provides board or SoC specific security attribution information for each address that the CPU performs MPU/SAU checks on. For QEMU, we model this with a QOM interface which is implemented by the board or SoC object and connected to the CPU using a link property.
This commit defines the new interface class, adds the link property to the CPU object, and makes the SAU checking code call the IDAU interface if one is present.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20180220180325.29818-5-peter.maydell@linaro.org
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H A D | cpu.h | 181962fd Fri Mar 02 10:45:36 GMT 2018 Peter Maydell <peter.maydell@linaro.org> target/arm: Define an IDAU interface
In v8M, the Implementation Defined Attribution Unit (IDAU) is a small piece of hardware typically implemented in the SoC which provides board or SoC specific security attribution information for each address that the CPU performs MPU/SAU checks on. For QEMU, we model this with a QOM interface which is implemented by the board or SoC object and connected to the CPU using a link property.
This commit defines the new interface class, adds the link property to the CPU object, and makes the SAU checking code call the IDAU interface if one is present.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20180220180325.29818-5-peter.maydell@linaro.org
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H A D | helper.c | 181962fd Fri Mar 02 10:45:36 GMT 2018 Peter Maydell <peter.maydell@linaro.org> target/arm: Define an IDAU interface
In v8M, the Implementation Defined Attribution Unit (IDAU) is a small piece of hardware typically implemented in the SoC which provides board or SoC specific security attribution information for each address that the CPU performs MPU/SAU checks on. For QEMU, we model this with a QOM interface which is implemented by the board or SoC object and connected to the CPU using a link property.
This commit defines the new interface class, adds the link property to the CPU object, and makes the SAU checking code call the IDAU interface if one is present.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20180220180325.29818-5-peter.maydell@linaro.org
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